Earthquake with magnitude of ML 2.3 on date 01-03-2023 and time 00:50:31 (UTC) in region 9 km SW Bronte (CT)

A magnitude ML 2.3 earthquake occured in region: 9 km SW Bronte (CT), on

  • 01-03-2023 00:50:31 (UTC)
  • 01-03-2023 01:50:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7260, 14.7670 at 23 km depth.

The earthquake was located by: Sala Operativa INGV_OE (Catania).

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Adrano CT 9 36122 36122
Bronte CT 9 19172 55294
Centuripe EN 12 5470 60764
Biancavilla CT 13 24007 84771
Regalbuto EN 14 7277 92048
CesarĂ² ME 14 2439 94487
Maletto CT 15 3920 98407
San Teodoro ME 15 1403 99810
Maniace CT 16 3765 103575
Troina EN 16 9373 112948
Santa Maria di Licodia CT 16 7641 120589
Ragalna CT 19 3924 124513
Catenanuova EN 19 4866 129379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Acireale (52622 inhabitants)
38 Km NW of Catania (314555 inhabitants)
67 Km E of Caltanissetta (63360 inhabitants)
86 Km NE of Gela (75827 inhabitants)
87 Km SW of Messina (238439 inhabitants)
87 Km NW of Siracusa (122291 inhabitants)
88 Km SW of Reggio di Calabria (183035 inhabitants)
89 Km N of Vittoria (63339 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
96 Km N of Modica (54633 inhabitants)
Recent and historical seismicity
Seismic hazard
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
ML 2.3 2023-03-01
37.726 14.767 23 2023-03-01
Sala Operativa INGV_OE (Catania) 114902171
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 2023-03-01 00:50:31
Latitude 37.7260
Longitude 14.7670
Depth (km) 23 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT#SeismPicker_SO-OE
Event type earthquake
Origin ID 114902171


Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitude information


Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 114902171
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-03-01 00:54:31
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download